111302113131 has 12 divisors (see below), whose sum is σ = 175385148120. Its totient is φ = 67455826080.

The previous prime is 111302113079. The next prime is 111302113151. The reversal of 111302113131 is 131311203111.

111302113131 is a `hidden beast` number, since 11 + 130 + 211 + 313 + 1 = 666.

It is not a de Polignac number, because 111302113131 - 2¹⁰ = 111302112107 is a prime.

It is a super-2 number, since 2×111302113131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111302113151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 562131786 + ... + 562131983.

It is an arithmetic number, because the mean of its divisors is an integer number (14615429010).

Almost surely, 2^111302113131 is an apocalyptic number.

111302113131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111302113131 is a deficient number, since it is larger than the sum of its proper divisors (64083034989).

111302113131 is a wasteful number, since it uses less digits than its factorization.

111302113131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124263786 (or 1124263783 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111302113131 its reverse (131311203111), we get a palindrome (242613316242).

The spelling of 111302113131 in words is "one hundred eleven billion, three hundred two million, one hundred thirteen thousand, one hundred thirty-one".